fx-patents:fx-4749.5
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+ | ====== Patent FX-4749.5: 1827-05-14, Steam Engine ====== | ||
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+ | ^ X Number | ||
+ | | FX-4749.5 | ||
+ | |||
+ | ===== Comments ===== | ||
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+ | FX patents are fractional X patents. This patent is #2267 1/2. | ||
+ | |||
+ | Only about 2,000 of the almost 10,000 X-patent documents were recovered. | ||
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+ | |||
+ | |||
+ | Because of the Patent Office fire in Dec. 1836, little is known about this patent. There are no patent drawings available. This patent is in the database for reference only. | ||
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+ | ===== Information Sources ===== | ||
+ | |||
+ | (To be filled in.) | ||
+ | | ||
+ | |||
+ | ===== External links ===== | ||
+ | [[http:// | ||
+ | |||
fx-patents/fx-4749.5.txt · Last modified: 2019/05/26 01:57 by 127.0.0.1